Enrollment
356
Elementary
DISTRICT 463 · STATE 381
SCHOOL COMMUNITY·CHICAGO PUBLIC SCHOOLS DIST 299·NCES 170993001012
Otis Elementary School
525 N Armour St, Chicago, IL 60642 · (773) 534-7665 · Cook County
GRADES PK–08ELEMENTARY11-CITYTITLE IREGULAR SCHOOL356 STUDENTS
Student : Teacher
10.2:1
35 FTE teachers
DISTRICT 14.6:1 · STATE 13.9:1
Free / Reduced Lunch
83%
296 students
DISTRICT 78% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 63 | 18% |
| Kindergarten | 27 | 8% |
| Grade 1 | 33 | 9% |
| Grade 2 | 34 | 10% |
| Grade 3 | 39 | 11% |
| Grade 4 | 23 | 6% |
| Grade 5 | 43 | 12% |
| Grade 6 | 28 | 8% |
| Grade 7 | 37 | 10% |
| Grade 8 | 29 | 8% |
This year's kindergarten class (27) is 7% smaller than its 8th grade class (29).
Student demographics
54%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Otis Elementary School→Wells Community Academy High School
Based on published attendance-zone data from Chicago Public Schools Dist 299. Zones change; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
22.4%
IL avg 51.0% . +6.6pp since 2023
Math
9.2%
IL avg 37.9% . +3.4pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 22 of every 100 students at this school read and write at grade level and about 9 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 7 points since 2023, while math scores are up about 3 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 22.4% | 9.2% |
| 2023-24 | 15.8% | 5.8% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
14.1%
composite math + reading, all grades
Predicted
23.5%
based on IL schools with similar FRL share
Beats by
-9.4pp
below demographic expectation
What this means: About 14% of students here test proficient in math and reading, compared with the roughly 24% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Otis Elementary School
Otis Elementary School's state test result (14.1% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Otis Elementary School this school | 356 | 83.1% | 14.1% |
| Greeley Elementary School Chicago | 331 | 80.1% | 31.3% |
| Bernard J Ward Elementary School Bolingbrook | 363 | 77.4% | 37.5% |
| West Elementary School Zion | 339 | 84.4% | 11.7% |
| Elmwood Elementary School Zion | 336 | 87.5% | 13.3% |
| Sunnyside Intermediate School Berkeley | 344 | 79.7% | 22.6% |
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Otis Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In Cook County |
|---|---|---|---|
| State test proficiency ranked highest first | 14.1% | #1,779 of 1,925 | #677 of 760 |
| Math proficiency ranked highest first | 9.2% | #1,937 of 2,077 ▼ 115 | #732 of 829 ▼ 68 |
| Reading proficiency ranked highest first | 22.4% | #1,869 of 2,077 ▼ 148 | #730 of 829 ▼ 73 |
| Enrollment ranked largest first | 356 | #1,231 of 2,419 | #507 of 901 |
| Students per teacher ranked fewest first | 10.2:1 | #147 of 2,035 | #86 of 817 |
| Diversity index ranked most diverse first | 54.2% | #780 of 2,042 | #281 of 819 |
| Free and reduced lunch ranked highest share first | 83.1% | #443 of 2,132 | #307 of 804 |
| Enrollment change since 2017-18 ranked steepest decline first | -19.6% | #458 of 1,461 | #264 of 661 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
356
+63 (+22%) vs 2020
-55% since 1990-91, when it was 794
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 356 | 35 | 10.2:1 | 83% (296) |
| 2023-24 | 365 | 35 | 10.4:1 | 88% (323) |
| 2022-23 | 317 | 32 | 9.9:1 | 91% (289) |
| 2020-21 | 293 | N/A | N/A | N/A |
| 2017-18 | 443 | 28.7 | 15.4:1 | 93% (413) |
| 2015-16 | 545 | 36 | 15.1:1 | 94% (512) |
| 2010-11 | 436 | 32 | 13.6:1 | 95% (413) |
| 2000-01 | 703 | 46 | 15.3:1 | N/A |
| 1990-91 | 794 | 51 | 15.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Otis Elementary School.
Since 2017-18: students down 20% (443 to 356); teachers up 22% (28.7 to 35).
About Otis Elementary School
Otis Elementary School serves students in Chicago, Illinois, as a medium-sized elementary school. The school reports 356 students in pre-K through 8.
Chicago Public Schools Dist 299 operates 622 schools. Combined enrollment is 324,396 students.
Hispanic students make up a majority at Otis Elementary School, at 61%. The remaining students are 29% Black, 5% Asian, and 4% White. Census figures show Cook County is about 27% Hispanic. Otis Elementary School's diversity index is 54%, against a US figure of 70%.
Teachers at Otis Elementary School total 35 full-time equivalents, and the ratio is 10.2:1. That is 3.8 students per teacher below the 13.9:1 average for elementary schools in Illinois. Federal records put free or reduced-price lunch eligibility at 83%. The 66% average for public schools in Cook County is 17 points lower.
Schools in Illinois with a similar free or reduced-price lunch share are predicted to score about 23.5%. Otis Elementary School scores 14.1%.
Across Cook County, the median household income is $83,498, about 43% of adults have at least a bachelor's degree, and roughly 10% of residents are in poverty. In all, Cook County has 1,406 public schools and roughly 697,934 students.
Of nearby public schools, Noble St Chtr Rauner College Prep is the closest, at about 0.2 miles. Otis Elementary School has at least 8 other public schools within five miles. Among 8 nearby schools that report test results, Otis Elementary School ranks 7th on proficiency.
For locale, NCES codes Otis Elementary School as City: Large.
Enrollment is up 22% from 2020-21, when Otis Elementary School had 293 students, to 2024-25, when it had 356.
The allk12 site hosts a discussion page for Otis Elementary School covering things like sports tryouts, band and choir, and theater. Reviews and ratings from people who know the school are welcome.
Cook County at a glance
View full county profilePopulation
5,182,090
Census ACS
Median income
$83,498
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
1,406
697,934 students
Quick facts
Related schools
Other schools in Chicago Public Schools Dist 299
- Lane Technical High SchoolHigh · 4,604 students
- Taft High SchoolHigh · 4,487 students
- Curie Metropolitan High SchoolHigh · 3,099 students
- Kenwood Academy High SchoolHigh · 2,268 students
- Young Magnet High SchoolHigh · 2,223 students
- Lincoln Park High SchoolHigh · 2,214 students
Other schools in Chicago
- Lane Technical High SchoolHigh · 4,604 students
- Taft High SchoolHigh · 4,487 students
- Curie Metropolitan High SchoolHigh · 3,099 students
- Kenwood Academy High SchoolHigh · 2,268 students
- Young Magnet High SchoolHigh · 2,223 students
- Lincoln Park High SchoolHigh · 2,214 students
Other Otis Elementary schools
3 other US public schools in 4 states are named Otis Elementary. Otis Elementary School is the 3rd largest of the 4.
- Otis Elementary SchoolEast Boston, MA · 408 students
- Otis Elementary SchoolFremont, OH · 394 students
- Otis Elementary SchoolOTIS, CO · 90 students
Nearby schools
- Noble St Chtr Rauner College Prep0.2 mi · 558
- Noble St Chtr-Golder College Prep0.3 mi · 633
- Ogden Int High School0.4 mi · 519
- Talcott Elementary School0.5 mi · 487
- Wells Community Academy High School0.5 mi · 398
- Rudolph Elementary Learning Center0.6 mi · 22
Frequently asked questions
About Otis Elementary SchoolHow many students attend Otis Elementary School?
Otis Elementary School enrolls approximately 356 students in grades PK-08.
What grades does Otis Elementary School serve?
Otis Elementary School serves grades PK-08.
What is the student-teacher ratio at Otis Elementary School?
The student-to-teacher ratio at Otis Elementary School is approximately 10.2:1 (35 FTE teachers).
What is the racial breakdown of students at Otis Elementary School?
At Otis Elementary School, the student body is approximately 4% White, 61% Hispanic, 29% Black, 5% Asian, 1% Two or more.
What district is Otis Elementary School in?
Otis Elementary School is part of Chicago Public Schools Dist 299.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.